Baked Spaghetti is the ultimate comfort food with a hearty meat sauce and loads of gooey melted cheese baked until bubbly and golden! It’s an easy make-ahead favorite that tastes even better with a big slice of garlic bread on the side.

A pan of baked spaghetti with a piece missing so you can see the noodles under the cheese.

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Holly’s Recipe Highlights: Baked Spaghetti

Flavor: Every bite is rich, savory, and cheesy with zesty tomato sauce, tender pasta, and plenty of cozy Italian-inspired flavor.

Recommended Tools: A large pot, skillet, and a 9×13-inch baking dish are all that’s needed to make this family favorite.

Serving Suggestions: I love serving baked spaghetti with warm garlic bread for soaking up every bit of sauce and a simple crisp green salad on the side to round out the meal.

Freezing: Baked spaghetti is perfect for making ahead just assemble it before baking and freeze for an easy meal that’s ready whenever needed.

Total Time: 55 Minutes Serves: 8 Cooking Method: Baked

Baked Spaghetti in baking dish with cheese on top

Ingredient Notes

  • Spaghetti: Use spaghetti noodles for a classic dish or swap them for any long pasta.
  • Meat: Lean ground beef is classic and hearty. For extra flavor swap it for Italian sausage or use a delicious 50/50 blend of both.
  • Veggies: Green bell pepper adds savory flavor and a bit of texture to the sauce. Red bell pepper, mushrooms, or zucchini can easily be swapped in for a different twist.
  • Pasta Sauce: Pasta sauce or marinara does most of the heavy lifting here, so use one you really enjoy.
  • Tomatoes: Diced tomatoes add extra texture and keep the casserole nice and saucy. Be sure not to drain them since the juices help coat the pasta and bring everything together.
  • Cheese: For the best gooey melt, shred mozzarella from a block instead of using pre-shredded cheese. Swap the mozzarella for provolone or Monterey Jack.
  • Variations: For a meatless version, skip the beef and add extra vegetables. For a creamier twist, spread a thin layer of ricotta cheese or cottage cheese over the pasta before topping with mozzarella.
Baked Spaghetti served on a white plate

How to Make Baked Spaghetti

  1. Cook the spaghetti (full recipe below).
  2. Brown the beef or sausage with the bell pepper, onion, garlic, and salt.
  3. Stir in the pasta sauce, diced tomatoes, and Italian seasoning, then simmer.
  4. Toss the cooked spaghetti and parsley with the sauce.
  5. Spread it in a greased baking dish, top with mozzarella and Parmesan, and bake.

Best Baked Spaghetti Tips

  • Cook Spaghetti Al Dente: It will soften more as it bakes.
  • Drain the Beef: So the sauce stays rich instead of greasy.
  • Simmer the Sauce Uncovered: Do this for a few minutes to thicken it before adding the pasta.
  • Do Not Rinse the Spaghetti: The starch helps the sauce cling to the noodles.
  • For Clean Slices: Let the casserole rest for 5 to 10 minutes before cutting.
  • To Prep Ahead: Assemble the casserole without baking, cover, and refrigerate until ready to bake.
hot and cheesy Baked Spaghetti
Do I bake this covered or uncovered?

Bake it uncovered! If the cheese gets too brown before the center is hot, loosely tent it with foil near the end.

How do I add ricotta or cottage cheese?

Spread a thin layer of ricotta or cottage cheese directly over the saucy pasta before adding the final mozzarella topping.

Can I prep this the day before?

Yes. Assemble the casserole completely, cover it tightly, and keep it in the fridge for up to 2 days before baking. (Add a few extra minutes to the bake time since it’s starting from cold!)

Storing Baked Spaghetti

  • Next Day Leftovers: Keep leftovers in an airtight container in the refrigerator for up to 4 days.
  • Freezing Leftovers: Portion cooled baked spaghetti into airtight containers. Freeze for up to 3 months for the best quality.
  • Freezing Before Baking: Assemble the casserole without the cheese and without the final bake, then cover tightly, and freeze. Thaw in the refrigerator overnight, then bake for 35 to 40 minutes, adding the cheese after about 20 minutes.
  • Reheating: Reheat individual portions in the microwave until hot. For larger portions, cover with foil and reheat in a 350°F oven until warmed through.

Cozy Pasta Bakes

Did you enjoy this Baked Spaghetti Recipe? Leave a comment and rating below.

image of Everyday Comfort cookbook by Holly Nilsson of Spend With Pennies plus text
a close up of baked spaghetti on a plate
4.98 from 512 votes

Baked Spaghetti

Servings 8 servings
This baked spaghetti is a hearty pasta casserole with saucy noodles, a quick meat sauce, and a golden mozzarella-Parmesan topping. It is easy to make ahead and perfect for feeding a hungry family.
Servings 8 servings
Prep Time 25 minutes
Cook Time 30 minutes
Total Time 55 minutes
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Ingredients  

  • 16 ounces spaghetti
  • ¼ cup chopped fresh parsley or 2 tablespoons dried
  • cups shredded mozzarella cheese
  • cup shredded Parmesan cheese

Sauce

  • 1 pound lean ground beef or Italian sausage
  • 1 green bell pepper diced
  • 1 small onion diced
  • 2 cloves garlic minced
  • ½ teaspoon salt or to taste
  • 32 ounces pasta sauce or marinara sauce
  • 1 (14.5 ounces) can diced tomatoes with juices
  • teaspoons Italian seasoning

Instructions 

  • Preheat the oven to 375°F. Grease a 9×13-inch baking dish.
  • In a large pot of salted water, cook the spaghetti al dente according to package directions.
  • In a large skillet over medium-high heat, brown the ground beef, green pepper, onion, garlic, and salt while breaking up the meat. Drain fat if needed.
  • Stir in the pasta sauce, tomatoes, and Italian seasoning. Simmer uncovered for 5 to 10 minutes or until thickened. Stir in the cooked spaghetti and parsley.
  • Transfer the mixture to the prepared dish, top with cheeses, and bake for 25-30 minutes or until hot and the cheese is browned and bubbly. Cut into squares to serve.

Video

Notes

If preparing ahead of time, increase the baking time 
This casserole can be covered with foil and frozen without cheese (before baking). Thaw in the fridge overnight and bake for 35 to 40 minutes, adding the cheese after 20 minutes.
Leftovers can be covered with plastic wrap and stored in the fridge for up to 4 days. Reheat in the oven or in the microwave until heated through. 
4.98 from 512 votes

Nutrition Information

Calories: 413 | Carbohydrates: 53g | Protein: 28g | Fat: 10g | Saturated Fat: 5g | Cholesterol: 55mg | Sodium: 1054mg | Potassium: 864mg | Fiber: 5g | Sugar: 9g | Vitamin A: 945IU | Vitamin C: 28mg | Calcium: 216mg | Iron: 4mg

Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.

Course Casserole, Dinner, Entree, Pasta
Cuisine American, Italian
zesty and hearty Baked Spaghetti with writing
zesty Baked Spaghetti in a casserole dish and close up photo under the title

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About the author

Holly Nilsson is the creator of Spend With Pennies, where she creates easy, comforting recipes made for real life. She is also the author of “Everyday Comfort,” which promises to inspire even more hearty, home-cooked meals.
See more posts by Holly

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